running a pipeline with wait.rex

Pipelines v2.1

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 1
 2 /* The following pipeline selects '.rex' files from the 'Processing multiple files' directory, and for
 3 each file found, it launches the pipeline: Locate.rex with the name of the string to locate; 'path='.
 4 For the first record in each file that comprises the string, the pipeline writes an output record.
  5
 6 The pipeline: Locate.rex, performs the actual search, this pipeline simply generates a list of files
 7 to search.
 8
 9 This example is intended to illustrate how the Runpipe stage command can be used to launch another
 10 pipeline with arguments that substitute stage keywords and argument values. */
 11
 12 Address Rxpipe
 13
 14 'pipe (reg 3) filelist noh',
 15 'drv=&installdrive',
 16 'path="&installpath\examples\processing-multiple-files"',
 17 'ext=rex', /* Input file type. */
 18 '| specs w5-* 1', /* Discard filelist info. */
 19 ,
 20 /* Surround the filename with quotes, append the 'string' keyword, the number of.. */,
 21 /* ..records to search and the string to locate. */,
 22 ,
 23 '| specs 1-* 1 /,/ nw /regex/ nw /,/ nw /*/ nw /,/ nw \.*specs.*\ n',
 24 /* Run the pipeline. */,
 25  '| runpipe wait "&installdrive:\&installpath\examples\subroutine\locate.rex"'
 26
 27 Say 'Hit Enter to close..'
  28 Parse Pull
 29
 30 Exit 0
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